Magnetic rotation angle sensor

Details Magnetic rotation angle sensor Magnetic rotation angle sensor

2007-01-09

2007-01-09

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Displacement

C324S207200, C324S251000

Reexamination Certificate

active

11432549

ABSTRACT:
In a magnetic rotation angle sensor for detecting a rotation angle of a detection target, a yoke covers outer circumferences of a magnet and a Hall device. One of the magnet and the magnetic flux density detection device rotates together with the detection target. The Hall IC is radially shifted from a rotation center of the detection target. The magnetic flux density detection device has a detection surface that is in parallel to one of a tangential direction and a normal direction of a turning circle. The magnet is magnetized in the one of the tangential direction and the normal direction of the turning circle.

REFERENCES:
patent: 6137288 (2000-10-01), Luetzow
patent: 6417664 (2002-07-01), Ventroni et al.
patent: 6472865 (2002-10-01), Tola et al.
patent: 6509734 (2003-01-01), Luetzow
patent: 6646435 (2003-11-01), Nakamura et al.
patent: 6956368 (2005-10-01), Johnson et al.

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